Explanation/Reference:
Functional decomposition takes the solution scope and decomposes it into smaller, more manageable units.
B is incorrect. Resource allocation granularity isn't a business analysis term and is not acceptable
for this question.
D is incorrect. Process modeling maps activities in a process model to different roles, vendors,
and contractors.
C is incorrect. WBS creation also uses a decomposition of the project scope into work packages,
but it's not the process described in this question.